Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 26, 04:00 AM PST until December 26, 10:00 PM PST

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

29°F

-2°C

Humidity	98%
Wind Speed	NNE 0 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	25 Dec 02:01 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles NE Trinity WA

Winter Weather Advisory December 26, 04:00am until December 26, 10:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 17 °F
Partly Cloudy
Christmas Day
High: 25 °F
Heavy Snow
Thursday Night
Low: 20 °F
Snow
Friday
High: 24 °F
Heavy Snow
Friday Night
Low: 11 °F
Breezy. Snow
then Chance
Snow
Saturday
High: 18 °F
Mostly Sunny
Saturday Night
Low: 9 °F
Mostly Cloudy
Sunday
High: 22 °F
Partly Sunny
Sunday Night
Low: 13 °F
Mostly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 17. South wind around 7 mph.

Christmas Day

Snow, mainly after 7am. The snow could be heavy at times. High near 25. Southeast wind 8 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow, mainly before 10pm. Low around 20. West wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. The snow could be heavy at times. High near 24. Southwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow, mainly before 10pm. Low around 11. Breezy, with a west wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday

Mostly sunny, with a high near 18.

Saturday Night

Mostly cloudy, with a low around 9.

Sunday

Partly sunny, with a high near 22.

Sunday Night

Mostly cloudy, with a low around 13.

Monday

Mostly cloudy, with a high near 26.

Monday Night

Mostly cloudy, with a low around 19.